import 'package:dio/dio.dart';
import 'package:enjoy_plus_demo/utils/http.dart';
import 'package:enjoy_plus_demo/utils/toast.dart';
import 'package:enjoy_plus_demo/utils/validate.dart';
import 'package:flutter/material.dart';
import 'package:image_picker/image_picker.dart';

class HouseForm extends StatefulWidget {
  HouseForm({super.key, required this.houseInfo});
  Map houseInfo;

  @override
  State<HouseForm> createState() => _HouseFormState();
}

class _HouseFormState extends State<HouseForm> {
  final Map _formData = {
    'point': '', // 小区信息
    'building': '', // 小区楼栋信息
    'room': '', // 小区房间信息
    'name': '', // 业主姓名
    'gender': 1, // 业主性别0女1男
    'mobile': '', // 业主电话
    'idcardFrontUrl': '', // 身份证正面
    'idcardBackUrl': '', // 身份证背面
  };

  TextEditingController _nameController = TextEditingController();
  TextEditingController _mobileController = TextEditingController();

  @override
  void initState() {
    super.initState();

    setState(() {
      _formData.addAll(widget.houseInfo);
      _nameController.text = _formData['name'];
      _mobileController.text = _formData['mobile'];
    });
  }

  //提交表单
  submitPhone() async {
    //0.获取表单元素中的数据
    String name = _nameController.text;
    String mobile = _mobileController.text;
    //1.校验表单的内容
    if (!Validate.validateName(name)) {
      return;
    }
    if (!Validate.validatePhone(mobile)) {
      return;
    }
    if (!Validate.validateIdCardImg(
        _formData['idcardFrontUrl'], _formData['idcardBackUrl'])) {
      return;
    }

    _formData['name'] = name;
    _formData['mobile'] = mobile;
    if (_formData.containsKey('id')) {
      //编辑时不能传status
      _formData.remove('status');
    }

    //2.发送请求
    try {
      var res = await http.post('/room', data: _formData);
      print(res);
      if (res['code'] != 10000) return ToastUtil.showError(res['message']);
      ToastUtil.showSuccess('提交成功');
      Navigator.popUntil(context, (route) {
        return route.settings.name == '/';
      });
    } catch (e) {
      print(e);
      ToastUtil.showError('网络错误');
    }
  }

  //上传图片
  void showBottomSheet(String tag) {
    showModalBottomSheet(
        context: context,
        builder: (context) {
          return Container(
            padding: const EdgeInsets.all(10),
            height: 180,
            child: Column(
              children: [
                ListTile(
                    leading: Icon(Icons.camera_alt),
                    title: Text('拍照'),
                    trailing: Icon(Icons.arrow_forward_ios_rounded),
                    onTap: () async {
                      //调用相机
                      final ImagePicker picker = ImagePicker();
                      final XFile? phono =
                          await picker.pickImage(source: ImageSource.camera);
                      Navigator.pop(context);
                      if (phono != null) {
                        uploadAvator(tag, phono.path);
                      }
                    }),
                ListTile(
                  leading: Icon(Icons.image),
                  title: Text('相册'),
                  trailing: Icon(Icons.arrow_forward_ios_rounded),
                  onTap: () async {
                    final ImagePicker picker = ImagePicker();
                    final XFile? image =
                        await picker.pickImage(source: ImageSource.gallery);
                    Navigator.pop(context);
                    if (image != null) {
                      uploadAvator(tag, image.path);
                    }
                  },
                )
              ],
            ),
          );
        });
  }

  //上传图片
  uploadAvator(String tag, String imagePath) async {
    try {
      //1.包装一个FormData对象
      FormData fd =
          FormData.fromMap({"file": await MultipartFile.fromFile(imagePath)});
      //2.调用上传接口
      var res = await http.post('/upload', data: fd);
      if (res['code'] != 10000) return ToastUtil.showError('上传图片失败');
      setState(() {
        _formData[tag] = res['data']['url'];
        ToastUtil.showSuccess('上传图片成功');
      });
    } catch (e) {
      return ToastUtil.showError('上传图片失败');
    }
  }

  Widget _buildAddIdcardPhoto(String tag, String info) {
    return GestureDetector(
        onTap: () {
          showBottomSheet(tag);
        },
        child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            crossAxisAlignment: CrossAxisAlignment.center,
            children: [
              Icon(Icons.add,
                  size: 30, color: Color.fromARGB(255, 85, 145, 175)),
              Text(
                info,
                style: TextStyle(color: Color.fromARGB(255, 85, 145, 175)),
              ),
            ]));
  }

  Widget _buildIdcardPhoto(String tag, String photoUrl) {
    return Stack(children: [
      SizedBox(
          width: MediaQuery.of(context).size.width - 20,
          height: 300,
          child: Image.network(photoUrl, fit: BoxFit.contain)),
      Positioned(
          right: 0,
          top: 0,
          child: GestureDetector(
            child: const Icon(Icons.delete, color: Colors.red),
            onTap: () {
              setState(() {
                _formData[tag] = '';
              });
            },
          ))
    ]);
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('${_formData.containsKey('id') ? '编辑' : '添加'}房屋信息'),
        centerTitle: true,
      ),
      body: Stack(
        alignment: AlignmentDirectional.bottomEnd,
        children: [
          ListView(
            padding: const EdgeInsets.only(top: 10, bottom: 40),
            children: [
              // 房屋信息
              Container(
                padding: const EdgeInsets.all(10),
                child: const Text('房屋信息',
                    style: TextStyle(
                        color: Color.fromARGB(255, 97, 94, 94), fontSize: 16)),
              ),
              Container(
                color: Colors.white,
                padding: const EdgeInsets.only(
                    left: 10, right: 10, top: 15, bottom: 15),
                child: Text(
                    '${_formData['point']} ${_formData['building']} ${_formData['room']}室'),
              ),
              // 业主信息
              Container(
                padding: const EdgeInsets.all(10),
                child: const Text('业主信息',
                    style: TextStyle(
                        color: Color.fromARGB(255, 97, 94, 94), fontSize: 16)),
              ),
              // 业主姓名
              Container(
                color: Colors.white,
                padding: const EdgeInsets.only(left: 10, right: 10),
                child: TextField(
                  controller: _nameController,
                  maxLength: 15,
                  decoration: const InputDecoration(
                    labelText: '姓名',
                    hintText: '请输入业主姓名',
                    hintStyle: TextStyle(color: Colors.grey),
                    border: InputBorder.none,
                  ),
                ),
              ),
              // 性别
              Container(
                  color: Colors.white,
                  padding: const EdgeInsets.only(left: 10, right: 10),
                  child: Row(children: [
                    const Text(
                      '性别',
                      style: TextStyle(fontSize: 16),
                    ),
                    const SizedBox(width: 20),
                    Radio(
                      value: 1,
                      groupValue: _formData['gender'],
                      onChanged: (value) {
                        setState(() {
                          _formData['gender'] = value ?? '';
                        });
                      },
                    ),
                    const Text('男'),
                    const SizedBox(width: 10),
                    Radio(
                      value: 0,
                      groupValue: _formData['gender'],
                      onChanged: (value) {
                        setState(() {
                          _formData['gender'] = value ?? '';
                        });
                      },
                    ),
                    const Text('女'),
                  ])),
              // 业主手机号
              Container(
                color: Colors.white,
                padding: const EdgeInsets.only(left: 10, right: 10),
                child: TextField(
                  controller: _mobileController,
                  keyboardType: TextInputType.phone,
                  maxLength: 11,
                  decoration: const InputDecoration(
                    labelText: '手机号',
                    hintText: '请输入您的手机号',
                    hintStyle: TextStyle(color: Colors.grey),
                    border: InputBorder.none,
                  ),
                ),
              ),
              // 业主信息
              Container(
                padding: const EdgeInsets.all(10),
                child: const Text('本人身份证照片',
                    style: TextStyle(
                        color: Color.fromARGB(255, 97, 94, 94), fontSize: 16)),
              ),
              Container(
                padding: const EdgeInsets.only(left: 10, right: 10, bottom: 10),
                child: const Text('请拍摄证件原件，并使照片中证件边缘完整，文字清晰，光线均匀。',
                    style: TextStyle(
                        color: Color.fromARGB(255, 97, 94, 94), fontSize: 12)),
              ),
              // 身份证正面
              Container(
                  color: Colors.white,
                  height: 320,
                  padding: const EdgeInsets.all(10),
                  child: _formData['idcardFrontUrl'] == ''
                      ? _buildAddIdcardPhoto('idcardFrontUrl', '上传人像面照片')
                      : _buildIdcardPhoto(
                          'idcardFrontUrl', _formData['idcardFrontUrl'])),
              const SizedBox(height: 20),
              // 身份证反面
              Container(
                  color: Colors.white,
                  height: 320,
                  padding: const EdgeInsets.all(10),
                  child: _formData['idcardBackUrl'] == ''
                      ? _buildAddIdcardPhoto('idcardBackUrl', '上传国徽面照片')
                      : _buildIdcardPhoto(
                          'idcardBackUrl', _formData['idcardBackUrl'])),
              const SizedBox(height: 20),
            ],
          ),
          Container(
            color: Colors.white,
            padding: EdgeInsets.all(10),
            width: MediaQuery.of(context).size.width,
            height: 85,
            child: ElevatedButton(
              onPressed: () {
                submitPhone();
              },
              child: Column(
                children: [
                  SizedBox(
                    height: 10,
                  ),
                  Icon(Icons.exit_to_app),
                  Text('提交审核'),
                  SizedBox(
                    height: 10,
                  ),
                ],
              ),
            ),
          )
        ],
      ),
    );
  }
}
